STS 51-G was the eighteenth flight of a space shuttle, and the fifth flight of Discovery. The mission launched from Kennedy Space Center, Florida, on June 17, 1985. It is probably best remembered for having Sultan Salman Al Saud of Saudi Arabia on board as a payload specialist.
Launch date: June 17, 1985, 11:33:00 UTC
Landing: June 24, 1985, 13:11:52 UTC